Individual Calculations September 2009
 De Oliveira, Sergio Eduardo  Total change: -20.10  Rating chartPersonal card
 Aberto do Brasil - Etapa Sete Lagoas Sete Lagoas/MG BRA 2009-07-17
RcRownchangeKK*chgGame
 2009 2293 2.00 4 -1.34 15 -20.10 
  Branchini, Fernando Luis S. 1893  * BRA0.501-0.4215-6.30 
  Dos Santos Jr., Braulio 2035 BRA1.0010.18152.70 
  Chauca, Jose 2086 PER0.001-0.7715-11.55 
  Dos Santos, Maicon Ferreira 2022 BRA0.501-0.3315-4.95 
 * Rating difference of more than 400. Please read more at FIDE Handbook

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 

 

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